SDOF Response to Base Input PSD

This script calculates the response of a single-degree-of-freedom system to a base input PSD.

https://vibrationdata.wordpress.com/

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sdof_psd_response_base.m is the main script.
The other scripts are supporting functions.
This method uses a textbook power transmissibility function. The response PSD is equal to the power transmissibility function times the base input PSD.
This method is better than Miles equation because it allows the input PSD to vary with frequency and be defined over finite limits.

Cite As

Tom Irvine (2026). SDOF Response to Base Input PSD (https://www.mathworks.com/matlabcentral/fileexchange/127793-sdof-response-to-base-input-psd), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.0.0